DOHERTY, P & OTHERS <br/><br/>
KNOWLEDGE REPRESENTATION TECHNIQUES:ROUGH SET APPROACH 

 - NEW YORK  Springer  2006 
 - 342p.,22X19Cms. 
<br/><br/><label>ISBN: </label>3540335188 
<br/><br/><label>Dewey Class. No.: </label>621.38195 D655